CY8C21323-24LFXI

Overview

The CY8C21323-24LFXI is an 8-bit microcontroller from the Infineon PSoC family, featuring the M8C processor core with speeds up to 24 MHz. It includes 4 KB of Flash program storage and 256 bytes of SRAM data storage. The device operates within a voltage range of 2.4 V to 5.25 V and supports an industrial temperature range of –40 °C to +85 °C. It provides up to 16 GPIO pins and integrates four analog type E PSoC blocks for comparators and 10-bit ADCs, alongside four digital PSoC blocks for timers, counters, PWMs, and communication interfaces like UART, SPI, and I2C.

Feature Summary

• Configurable mixed-signal architecture allowing custom peripheral creation via programmable analog and digital blocks.
• Flexible on-chip memory with support for in-system serial programming and partial flash updates.
• Programmable pin configurations with selectable drive modes and interrupt capabilities on all GPIOs.
• Integrated system resources including a switch mode pump, low-voltage detection, and precision voltage reference.

Applications

• Consumer electronics requiring low component count
• Industrial equipment control systems
• Communications devices utilizing configurable serial interfaces
• Battery-powered applications leveraging the internal switch mode pump

Procurement Notes

Verify the specific ordering suffix matches the required package type and temperature grade. Confirm RoHS compliance status through official documentation. Ensure development tools such as PSoC Designer are compatible with the selected device variant. Check for any silicon errata relevant to the operating temperature range before finalizing design integration.

Selection Notes

Select this component when a single-chip solution is needed to replace multiple traditional MCU components. Consider the CY8C21323-24LFXI for designs requiring configurable analog peripherals like 10-bit ADCs and comparators. Evaluate the 24 MHz processing speed against application timing requirements. Assess the available GPIO count and memory size against project constraints.

Part Context

This part belongs to the CY8C21x23 series of PSoC Programmable System-on-Chip devices. These controllers combine an 8-bit CPU with programmable analog and digital hardware blocks. The series targets applications needing design flexibility and reduced board space by integrating diverse functionalities into a single IC.

Replacement Considerations

Check the CY8C21123 and CY8C21223 datasheets for pinout and resource compatibility. Verify if alternative packages within the same family meet mechanical requirements. Ensure software libraries are adaptable to minor architectural differences between variants.